A) Arthritis can be generally divided into seropositive and seronegative â this refers to the presence in the blood of an antibody called rheumatoid factor. About 70 per cent of people with rheumatoid arthritis are seropositive.So seronegative rheumatoid arthritis occurs and this may be the diagnosis in your case.) Arthritis can be generally divided into seropositive and seronegative â this refers to the presence in the blood of an antibody called rheumatoid factor. About 70 per cent of people with rheumatoid arthritis are seropositive.
The nation's border with Costa Rica is 330 kilometers (205 miles), and its border with Colombia is 225 kilometers (140 miles) in length. Panama's capital and largest city, Panama City, with a population of 827,828, is located on the Pacific coastline of the country.
More than 50% of the population lives in the Panama City-Colon colÃ³n metropolitan, region which includes many. Cities the urban population is more than70, % which is the highest in all Of Central. america